Heart disease isn't something only men have to worry about. In fact, it kills 1 out of every 2.6 American women, making it the No. 1 cause of death for both sexes nationwide, according to the American Heart Association's Go Red for Women Campaign.
Studies reveal that women's unique chemical makeup combined with anatomical differences (such as smaller arteries and veins) affect how heart disease develops in women, how accurate diagnostic tests are, and how well women respond to certain medications.
See where men and women split when it comes to matters of the heart. The findings might surprise you -- and might even save your life.